Equipment Operator (Excavator)

Subsidiary: Sully Miller Holding Co.


United Rock Products is one of the companies that operates within Sully-Miller Contracting Co., the Colas USA subsidiary that operates throughout Southern California. We are part of Sully-Miller Companies consisting of Sully-Miller Contracting Co., Blue Diamond Materials and United Rock Products. Each company supports the other. United Rock provides the aggregate, Blue Diamond Materials provides the hot and warm mix asphalt manufacturing, and Sully-Miller Contracting executes the projects. Mining of construction aggregates at United Rock Products in the San Gabriel Valley has taken place since 1916. Our top-rated 300-acre site is located in Irwindale, California, just 25 miles east of Los Angeles. Virgin aggregate material is processed into sand and gravel through cutting-edge crushing and screening operations. To learn more about United Rock Products visit

Throughout Colas USA, we provide competitive pay, outstanding benefits, career advancement opportunities, professional education, and extensive training for every employee. We pride ourselves on upholding the highest standards of safety, environmental conservation, and ethical conduct as we strive to grow our infrastructure products and services through empowering and developing our people, fostering innovation, utilizing new technology, and maximizing vertical integration at all levels of the company’s value chain. To learn more about the Colas USA Family of Companies, please visit

United Rock Products, and the rest of the Colas USA Family of Companies, is part of the Colas Group, the worldwide leader in transportation infrastructure construction and maintenance. For information on our international network visit

Job Summary


As a member of the reclamation and/or aggregate crew, the equipment operator is expected to safely and efficiently operate various pieces of mobile equipment. Activities include completing pre-trip/post-trip inspections, and operating equipment while completing site related reclamation, production, and sales activities. As a member of the team, the equipment operator may be required to assist with maintenance, repair, operations, and housekeeping around the plant as requested by Reclamation Superintendent or Aggregate Manager. Equipment includes: Loader, Dozer, Blade, Excavator, Rubber Tire Dozer.  

Main Responsibilities



  • Inspect wear Items on equipment & report as needed to shop, foreman, and management  
  • Ensure areas under your scope of responsibility remain in environmental compliance and complete any needed environmental reports 
  • Ensure fill is placed in accordance with Fill Operating Plan (FOP) and regulatory guidelines 
  • Ensure site remains compliant with all MSHA, OSHA and EPA standards 
  • Other duties as outlined by Aggregate Manager/Reclamation Superintendent 



  • 3-5 years mobile equipment operational experience  
  • Must be able to operate machine with little or no supervision 
  • Must be able to read grade stakes and carry a grade 
  • Understands MSHA and OSHA regulations 
  • Must have a strong, team oriented work ethic with strong focus on safety and environmental compliance 


Colas Inc. and its subsidiaries (United Rock Products) are an Equal Opportunity Employer. For details on the specifics of this commitment, please click here to view the EEO document. If you need an accommodation to access the information provided on this website, please contact Colas Inc. 973-290-9082 or send an email to

Nearest Major Market: Los Angeles